Computer keyboard



FIG. 1 is a top plan view of a computer keyboard showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a back elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top, front, right side perspective view thereof. 

The ornamental design for a computer keyboard, as shown. 